On Wed, Jan 7, 2015 at 7:41 AM, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: > On 7 January 2015 at 13:37, Andrew Haley wrote: >> I think it's now becoming clear what is happening. Something in ld is >> calling dlopen, and fakechroot prints the error. But it's not clear to >> me which dlopen does not work in fakechroot. >> >> My guess is that the problem is due to link-time optimization. gcc is >> trying to run -plugin /bld/gcc/builddir-4.9/./gcc/liblto_plugin.so. 4.8 >> does not do this. > > Ahhhhhhh. Sneaky. > >> Maybe fakechroot can be persuaded to produce a decent error message with >> some more information. >> >> It may be possible to disable LTO. > > --disable-lto According to libgcc/configure this is an invalid option. Any other way to disable it?
